AP PSYCHOLOGY

Detailed explanation-1: -Pupil: The pupil is the opening at the center of the iris through which light passes. The iris adjusts the size of the pupil to control the amount of light that enters the eye.

Detailed explanation-2: -Iris regulates the amount of light entering the eye by adjusting its size. Iris is a thin membrane, which controls pupil which in turn regulates the amount of light entering the eye.

Detailed explanation-3: -Final answer: Part of the eye which controls the light entering is called the Iris.

Detailed explanation-4: -Light rays enter the eye through the cornea, the clear front “window” of the eye. The cornea’s refractive power bends the light rays in such a way that they pass freely through the pupil the opening in the center of the iris through which light enters the eye.